<>这颗橙色的朱顶红在今年五月开过,现在是第二次开了,但比第一次花少了,原来是一梗4~6朵,现在只有两朵,最奇怪的是花梗比原来短了一半,这是不是和赤斑病有关呢?前段时间把有红点的叶子剪了后,现在的叶子红点明显少了,赤斑病可以用什么药治疗呢? </P>
<>另外我的白肋也准备开花了,我想试试把这两种朱顶红杂交,请问在授粉前要不要先把母本的雌蕊先剪掉?赤斑病会不会传染给下一代呢?</P>
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